“He’s gonna build a wall and it’s gonna be an—” Christie changed the tone of his voice to impersonate The Donald—“incredible, beautiful marvelous wall. An incredible wall! The wall is gonna be unbelievable. The wall is gonna have a door, the door is gonna open and close and good people come in, the bad people go out. It’s gonna be an amazing wall. It’s gonna be a beautiful wall—and the Mexicans are gonna pay for the wall because Trump says they’ll pay for the wall.”